//
//  Dog.h
//  Day6
//
//  Created by wenjim on 17/10/10.
//  Copyright © 2017年 WenJim. All rights reserved.
//

#import <Foundation/Foundation.h>

@class Person;

@interface Dog : NSObject

//@property (nonatomic,strong) Person * owner;
// 在ARC中如果保存对象不要用assign，用weak
// assign 是专门用于保存基本数据类型的，如果保存对象请用weak
//@property (nonatomic,assign) Person * owner;
@property (nonatomic,weak) Person * owner;

@end
